Quick answers
- Does Penny A. Castellano accept Medicare assignment?
- Yes. Medicare's clinician data says Penny A. Castellano accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Penny A. Castellano see?
- In 2024, CMS data shows 78 Original Medicare patients and 232 services for Penny A. Castellano. This counts Original Medicare only and measures volume, not quality.
- What is Penny A. Castellano's NPI number?
- 1356457907. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Penny A. Castellano, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 78 |
|---|---|
| Services billed to Medicare | 232 |
| Different services or procedures | 14 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Pelvic exam (99459)68 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)66 services
- Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)66 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol58%
- High blood pressure51%
- Arthritis49%
- Osteoporosis36%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)26%
- Ischemic heart disease15%
Hospitals where Penny A. Castellano works
Medicare's Facility Affiliation Data lists Penny A. Castellano at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Emory Decatur HospitalDecatur, GA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: not listed by Medicare · CCN 110076
- Emory Johns Creek HospitalJohns Creek, GA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 110230
- Emory University HospitalAtlanta, GA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 110010
- Emory University Hospital MidtownAtlanta, GA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 110078
- Saint Joseph's Hospital of Atlanta, IncAtlanta, GA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 110082
Practice locations
Addresses where Penny A. Castellano is enrolled with Medicare (CMS data updated October 2, 2026).
- 1365 Clifton Rd NEAtlanta, GA 30322 (404) 778‑7525
Group practices
Medicare enrollment lists Penny A. Castellano as a member of this group (CMS data updated October 2, 2026).
- The Emory Clinic Inc3,568 clinicians in the group
Specialties
- Obstetrics/Gynecologyprimary
Other OB-GYNs in Atlanta
Clinicians with the same Medicare primary specialty in Atlanta, GA — not a recommendation.
Other clinicians in The Emory Clinic Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Emory University School Of Medicine |
| Graduation year | 1985 (41 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1356457907 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians